Home / 3,493.39-4,820.84-1,900.01

Finding the Fourth Proportional to 3,493.39, 4,820.84 and 1,900.01

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Solution

The fourth proportional to 3,493.39, 4,820.84 and 1,900.01 is: 2,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.39 : 4,820.84 = 1,900.01 : x
  2. Step 2: Convert to fraction form
    3,493.39/4,820.84 = 1,900.01/x
  3. Step 3: Cross multiply
    3,493.39x = 4,820.84 × 1,900.01
  4. Step 4: Simplify right side
    3,493.39x = 9,159,629.23
  5. Step 5: Solve for x
    x = 9,159,629.23/3,493.39
  6. Step 6: Final answer
    x = 2,621.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.